1.锪孔鉆的種類及應(yīng)用(表2-37)表2-37 锪孔鉆的種類及應(yīng)用(續(xù)表)2.锪孔操作要點(diǎn)(1)當(dāng)將麻花鉆改制成锪鉆時(shí),應(yīng)盡量選用較短的鉆頭,且細(xì)心修磨,尤其是兩主切削刃高低要一致,角度對(duì)稱,以減少振動(dòng)和防止孔徑變大。(2)锪孔時(shí)選用較低 (共 279 字) [閱讀本文] >>
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 1.锪孔鉆的種類及應(yīng)用(表2-37)表2-37 锪孔鉆的種類及應(yīng)用(續(xù)表)2.锪孔操作要點(diǎn)(1)當(dāng)將麻花鉆改制成锪鉆時(shí),應(yīng)盡量選用較短的鉆頭,且細(xì)心修磨,尤其是兩主切削刃高低要一致,角度對(duì)稱,以減少振動(dòng)和防止孔徑變大。(2)锪孔時(shí)選用較低 (共 279 字) [閱讀本文] >>